Ban'yu Jo, The Promised

+2: Exile target creature or planeswalker, gain 3 life or you can't lose the game until your life total is below 5.
-3: Exile target permanent and deal damage equal to twice the converted mana cost to any target, gain 6 life. Then the controller reveals their hand.
-12: Each other player exiles their hand and half of their library. Exile all lands you don't control. You gain control of all remaining permanents.